This paper treats Chinese species of genus Diglyphus Walker, 1844. Fourteen
species are treated, including D. isaea (Walker). Six species are describe
d as new: D. albinervis, D. albitibiae, D. bimaculatus, D. gibbus, D. infla
tus, D. metallicus; seven species are newly recorded in China: D. albiscapu
s Erdos, D. begini (Ashmead), D. crassinervis Erdos, D. minoeus (Walker); D
. pachyneurus Graham, D. pulchripes (Crawford), D. pustenzis Erdos & Novick
y. Species are mainly parasitoids of leafmining Agromyzidae, including the
economically important genus Liriomyza.